Williams Gun Sight Corporations receiver sight for Short Magazine Lee Enfield No. 1,4 & 5. Model 5D receiver sights do not have the internal micrometer adjustments of the FP models. Comes with one 3/8" diameter knurled aperture with a .093" peep. The 5D is strong, rugged and dependable. The blue- black anodizing produces a long lasting no rust finish. The alloy used to manufacture this sight has a tensile strength of 85,000 pounds. Yet, the FP is light and compact weighing only 1 1/2 ounces. Many rifles are now being drilled and tapped at the factory for installation of the FP. Please be aware that you will need to drill and tap your rifle for this receiver sight and/or modify your stock for installation.

WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms
or handling ammunition may result in exposure to lead and other substances known
cause birth defects, reproductive harm and other serious physical injury. Have adequate
ventilation at all times. Wash hands thoroughly after exposure.

Melting lead and casting lead objects will expose you and others in the area to
lead, which is known to cause birth defects, other reproductive harm and cancer.